5r^3-40=

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Solution for 5r^3-40= equation:


Simplifying
5r3 + -40 = 0

Reorder the terms:
-40 + 5r3 = 0

Solving
-40 + 5r3 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '40' to each side of the equation.
-40 + 40 + 5r3 = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 5r3 = 0 + 40
5r3 = 0 + 40

Combine like terms: 0 + 40 = 40
5r3 = 40

Divide each side by '5'.
r3 = 8

Simplifying
r3 = 8

Reorder the terms:
-8 + r3 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + r3 = 0

The solution to this equation could not be determined.

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